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• Features 1 Double ninety nine groups memory, IHB arrhythmia detection, WHO blood stress classification 2 pressurization 3 Voltage and gear detection Product specification «Product size: 7 (without wrist strap) «Storage temperature: -20℃~50℃ «Storage humidity: 15%~90% «Operating temperature: 10℃~40℃ «Operating humidity: 40%~85% «Display: LCD digital show «Measurement method: pulse scanning method/oscillometric formula «Measurement range: hypertension/hypotension: 20mmHg~280mmHg «Pulse: (40~200) beats/minute «Accuracy: ±3mmHg (±0) «Pulse: inside ±3% of reading «Voltage: 3V Packing information sphygmometer 1pcs Hard ABS outer field 1pcs User handbook 1pcs «Color field size: 9, «Outer field volume: forty six «Weight: a single about 280 grams There are two styles, the English Voice Style and NO Voice style, please choose which you like

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